<template>
  <view class="custom-tag-popup" v-if="show">
    <view class="mask" @tap="cancel"></view>
    <view class="content">
      <view class="title">自定义标签</view>
      <input 
        type="text" 
        v-model="inputValue" 
        placeholder="最多4个字"
        maxlength="4"
        class="tag-input"
      />
      <view class="actions">
        <text class="cancel-btn" @tap="cancel">取消</text>
        <text class="confirm-btn" @tap="confirm">确定</text>
      </view>
    </view>
  </view>
</template>

<script>
export default {
  name: 'tag-input',
  props: {
    show: {
      type: Boolean,
      default: false
    }
  },
  data() {
    return {
      inputValue: ''
    }
  },
  methods: {
    cancel() {
      this.inputValue = ''
      this.$emit('update:show', false)
    },
    confirm() {
      if (!this.inputValue.trim()) {
        return
      }
      this.$emit('confirm', this.inputValue.trim())
      this.inputValue = ''
      this.$emit('update:show', false)
    }
  }
}
</script>

<style lang="scss" scoped>
.custom-tag-popup {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 999;

  .mask {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
  }

  .content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600rpx;
    background: #fff;
    border-radius: 20rpx;
    padding: 40rpx;

    .title {
      text-align: center;
      font-size: 32rpx;
      font-weight: bold;
      margin-bottom: 40rpx;
    }

    .tag-input {
      width: 100%;
      height: 80rpx;
      border: 1px solid #eee;
      border-radius: 8rpx;
      padding: 0 20rpx;
      margin-bottom: 40rpx;
      text-align: center;
    }

    .actions {
      display: flex;
      justify-content: space-between;
      padding: 0 40rpx;

      text {
        font-size: 32rpx;
        padding: 20rpx 40rpx;

        &.cancel-btn {
          color: #666;
        }

        &.confirm-btn {
          color: #ff6b6b;
        }
      }
    }
  }
}
</style> 